# -*- coding: utf-8 -*-

from flask import Flask

app = Flask(__name__)

@app.route('/')
def hello_world():
    """根路由处理函数，返回Hello World"""
    return 'Hello World!'

if __name__ == '__main__':
    # 启动开发服务器，启用调试模式
    app.run(debug=True, host='0.0.0.0', port=80)